摘要
RSSI算法是一种被广泛使用的无线定位算法。定位节点根据接收到的参考坐标值与对应的RSSI值进行计算得出自身坐标。区别于平面定位,提出了三种基于RSSI测距的三维定位算法。第一种与第二种算法运用矩阵求解二元二次方程组得出定位节点坐标,第三种方法为最小二乘法。并且,给出了一种关于RSSI值的均值估计滤波法。最后给出三种算法仿真定位精度比较。
algorithm is a kind of wireless location algorithm widely used.The blind node gets its coordinate through calculating the references？coordinates and received.Different from two-dimention location,this paper gives three three-dimention location algorithms based on.The first and second algorithms get coordinates through solving group of binary quadratic using matix while the third is least squares algorithm.And this paper gives a method of filtering on called mean-estimation.At last,presents the location accuracy comparsion among the three algorithms.
出处
《自动化技术与应用》
2011年第7期63-65,71,共4页
Techniques of Automation and Applications
